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February 24th, 2008
Strong, Light, and Stretchy Materials
Abstract:
Researchers have dispersed tiny platelets of aluminum oxide in a polymer to make a material that is tough, stretchy, and lightweight. The material could lead to longer-lasting bone and dental implants and lighter, more fuel-efficient car and airplane parts. It could also be used to make bendable, transparent electronics.
In their efforts to create strong yet light materials, chemists and materials scientists have long tried to mimic nanostructures found in nature. Shells, bones, and tooth enamel all consist of stiff ceramic platelets arranged in a polymer matrix like bricks in mortar. These hybrid materials combine the strength of ceramics and the stretchability of polymers.
Source:
technologyreview.com
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